The investigation on Golden Ratio should include pictures, videos and should be very creative.
The websites you can refer for it are:

http://www.pithemovie.com/gold.html
http://plus.maths.org/issue22/features/golden/
http://science.howstuffworks.com/evolution/fibonacci-nature1.htmhttp://www.mathsisfun.com/numbers/nature-golden-ratio-fibonacci.htmlhttp://library.thinkquest.org/trio/TTQ05063/phibeauty2.htm

All the above sites seem very informative and appealing. Please go through them and don't copy paste!!

Best of Luck

Due Date- 19/04/2010